<template>
  <el-date-picker v-model="dateRange" size="small" type="daterange" 
    start-placeholder="开始日期"
    end-placeholder="结束日期" :picker-options="pickerOptions"></el-date-picker>
</template>

<script>
  export default {
    props: {
      dateRange: {
        type: String
      }
    },
    data() {
      return {
        data: this.dateRange,
        pickerOptions: {
          shortcuts: [{
            text: '最近一周',
            onClick(picker) {
              const end = new Date();
              const start = new Date();
              start.setTime(start.getTime() - 3600 * 1000 * 24 * 7);
              picker.$emit('pick', [start, end]);
            }
          }, {
            text: '最近一个月',
            onClick(picker) {
              const end = new Date();
              const start = new Date();
              start.setTime(start.getTime() - 3600 * 1000 * 24 * 30);
              picker.$emit('pick', [start, end]);
            }
          }, {
            text: '最近三个月',
            onClick(picker) {
              const end = new Date();
              const start = new Date();
              start.setTime(start.getTime() - 3600 * 1000 * 24 * 90);
              picker.$emit('pick', [start, end]);
            }
          }]
        },
      }
    },
  }
</script>